Servamp

Mahiru Shirota prefers a simple life, but that changes when he takes in a stray black cat named Kuro. Kuro is actually a vampire, one of seven brothers known as the Servamps, who becomes Mahiru’s servant after their contract is formed. The bond draws Mahiru into a supernatural conflict involving the Servamps and their creator, Tsubaki. As Mahiru and Kuro face the trouble around them, they must work together despite their very different personalities.